[The first sign of sexual differentiation of the gonads in chick embryos].
D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D005260:Female; D008297:Male; D010053:Ovary / Q000196:embryology*; D012732:Sex Determination Analysis; D013737:Testis / Q000196:embryology*
Le premier indice de la différenciation sexuelle des gonades chez l'embryon de poulet.